<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<?php
$string_array = explode(' ' , $_POST['words']);
$array_string = implode(',<br>' , $string_array);
$array_string = ucwords(strtolower($array_string));
print "<p> Alphabetized:<br><br>$array_string</p>";
?>
</body>
</html>